Ways by which housefly contaminate our food
1.the body of housefly especially its spiny legs pick up filth containing germs from dirty places.when such a fly sit on our food,it leave the germs on food and contaminate it.
2.housefly pour saliva on food.the saliva may have germs which contaminate our food.
3.housefly deposits its excreta while it sit or feeds on food.the excreta may have germs which contaminate our food
BY: ASHWANI KUMAR. BIO TEACHER PHAGWARA 9646388266
1.the body of housefly especially its spiny legs pick up filth containing germs from dirty places.when such a fly sit on our food,it leave the germs on food and contaminate it.
2.housefly pour saliva on food.the saliva may have germs which contaminate our food.
3.housefly deposits its excreta while it sit or feeds on food.the excreta may have germs which contaminate our food
BY: ASHWANI KUMAR. BIO TEACHER PHAGWARA 9646388266
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